The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple. The first iPhone was unveiled by former Apple CEO Steve Jobs on January 9, 20xx, and released on June 29, 20xx. The 5th generation iPhone, the iPhone 4S, was announced on October 4, 20xx, and released on October 14, 20xx, two days after the release of iOS 5.0, the Apple operating system for handheld devices. An iPhone can function as a video camera (video recording was not a standard feature until the iPhone 3GS was released), a camera phone, a portable media player, and an Internet client with email and web browsing capabilities, can send texts and receive visual voicemail, and has both Wi-Fi and 3G connectivity. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one. Third-party as well as Apple application software is available from the App Store, which launched in mid-20xx and now has over 500,000 "apps" approved by Apple. These apps have diverse functions, including games, reference, GPS navigation, social networking, security and advertising for television shows, films, and celebrities. There are five generations of iPhone models, each accompanied by one of the five major releases of iOS (formerly iPhone OS). The original iPhone was a GSM
上海装修公司排名古诗苑漫步>我的美丽日志哪个好小学信息技术教学总结phone that established design precedents like screen size and button placement that have persisted through all models. The iPhone 3G added 3G cellular network capabilities and A-GPS location. The iPhone 3GS added a compass, faster processor, and higher resolution camera, including video recording at 480p. The iPhone 4 has a rear facing camera (720p video) and a front facing camera (at a lower resolution) for FaceTime video calling and for use in other apps like Skype. In 20xx the iPhone 4 was voted the Best Mobile Phone On Earth. The iPhone 4 featured a higher-resolution 960x640 display; it was released on June 24, 20xx. In the U.S., AT&T was the only authorized carrier until February 10, 20xx, when a CDMA version of the iPhone 4 launched for Verizon. On October 4, 20xx, Apple announced the iPhone 4S.The iPhone 4S added a higher resolution camera (8 megapixel) with 1080p video recording, face detection, and video stabilization, a faster, dual core processor, world phone capability (allowing a single handset to operate on networks based on both GSM/UMTS and CDMA technologies), and a natural language voice control system called Siri. It will be available in 16 GB and 32 GB as well as a new 64 GB capacity. It was also announced that in the U.S. Sprint wo
苹果手机截图uld begin carrying the iPhone 4 and iPhone 4S and C Spire Wireless announced that it would be carrying the iPhone 4S as well.
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